How to say it isn't true that jack is no good at music; on the contrary, he plays the piano well. in Japanese
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ジャックジャック(jakku) (n) jackがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and音楽音楽(ongaku) (n) music/musical movementがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and苦手苦手(nigate) (adj-na,n) poor/weak/not very good/dislikeな(prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionんてとんでもno dictionary result, likely a conjigated verbないない(nai) (aux-adj) not/emphatic suffix、、(、) Japanese commaそれどころかそれどころか(soredokoroka) (exp) on the contrary、、(、) Japanese commaピアノピアノ(piano) (n) pianoをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,弾く弾く(hiku) (v5k,vt) to flip/to snap/to flick/to repel/to use/to calculate/to strum/to pluck the stringsのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates questionがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/andうまいうまい(umai) (adj-i) skillful/clever/expert/wise/successful/delicious/appetizing/appetising/fortunate/splendid/promising。。(。) Japanese period "."
